Home / 2,347.87-3,239.98-1,299.91

Finding the Fourth Proportional to 2,347.87, 3,239.98 and 1,299.91

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Solution

The fourth proportional to 2,347.87, 3,239.98 and 1,299.91 is: 1,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.87 : 3,239.98 = 1,299.91 : x
  2. Step 2: Convert to fraction form
    2,347.87/3,239.98 = 1,299.91/x
  3. Step 3: Cross multiply
    2,347.87x = 3,239.98 × 1,299.91
  4. Step 4: Simplify right side
    2,347.87x = 4,211,682.40
  5. Step 5: Solve for x
    x = 4,211,682.40/2,347.87
  6. Step 6: Final answer
    x = 1,793.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.